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May is a good month in Jaca

Climate Overview

Jaca, Spain in May has mild conditions, with highs averaging 18.9°C (66°F) and noticeably cooler mornings. Rain falls on about 12 days this month. Temperatures drop noticeably between day and night.

This month falls at the end of Spring.

Daily highs in May gradually rise from around 17°C (62°F) at the start to 22°C (72°F) by month's end.

May sees fairly even rainfall, totalling about 79 mm across the month.

Expect around 12.0h of sunshine at the start of May, increasing to 13.1h by the end.

The warmest days tend to fall around the 29th, averaging 22.1°C (72°F).

Compared to April, this month is about 4°C warmer with 0 fewer rainy days. Temperatures will rise further into June.

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Monthly May Averages

Temperature
19°C / 8°C
Feels Like
18°C / 6°C
Rain
12 days · 80 mm
Sunshine
12.4h / day
Humidity
72% — Humid
Wind
13 km/h
Wind Direction
N (3°)
Gusts
40 km/h
Daylight
14.6 h
Cloud Cover
56%
Clear Sky Days
2.9
UV Index
7 — High
Dew Point
9°C — Dry
Moon Phase
Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

28°C 24°C 20°C 16°C 12°C 8°C 4°C 0°C 151015202531
HighLow

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 8 mm 151015202531
Rainfall

Daily Sunshine

0h 4h 8h 12h 16h 151015202531
Sunshine

Daily Wind Speed

0 4 8 12 16 20 151015202531
Wind Speed
Sun Position
Sunrise 06:42
Daylight 14.6h
Sunset 21:18

What to Expect

Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Rain usually comes in shorter passing showers rather than all-day rain.

1 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

January
Poor
Temp
8°C / 0°C
Feels Like
5°C / -4°C
Rain
12days (93 mm) Wet
Sun
7h Good
Humidity
81% Humid
UV
2.1 Moderate
Snow Days
10days
February
Poor
Temp
10°C / 1°C
Feels Like
7°C / -3°C
Rain
8days (72 mm) Wet
Sun
8.2h Good
Humidity
79% Humid
UV
3.2 Moderate
Snow Days
7days
March
Poor
Temp
11°C / 2°C
Feels Like
9°C / -1°C
Rain
13days (100 mm) Wet
Sun
9.4h Good
Humidity
78% Humid
UV
4.1 Moderate
Snow Days
10days
April
Fair
Temp
15°C / 5°C
Feels Like
13°C / 2°C
Rain
12days (90 mm) Wet
Sun
10.7h Excellent
Humidity
75% Muggy
UV
6.1 High
Snow Days
3days
May
Good
Temp
19°C / 8°C
Feels Like
18°C / 6°C
Rain
12days (80 mm) Wet
Sun
12.4h Excellent
Humidity
72% Muggy
UV
7 High
June best
Excellent
Temp
24°C / 13°C
Feels Like
25°C / 13°C
Rain
11days (71 mm) Wet
Sun
13.1h Excellent
Humidity
67% Muggy
UV
7.5 Very High
July best
Excellent
Temp
28°C / 16°C
Feels Like
29°C / 16°C
Rain
6days (32 mm) Good
Sun
13.4h Excellent
Humidity
60% Moderate
UV
7.7 Very High
August best
Excellent
Temp
28°C / 16°C
Feels Like
29°C / 16°C
Rain
6days (39 mm) Good
Sun
12.3h Excellent
Humidity
59% Moderate
UV
7 High
September best
Excellent
Temp
23°C / 12°C
Feels Like
22°C / 11°C
Rain
8days (63 mm) Wet
Sun
10.6h Excellent
Humidity
69% Muggy
UV
5.5 High
October
Good
Temp
18°C / 9°C
Feels Like
17°C / 7°C
Rain
10days (108 mm) Wet
Sun
8.5h Good
Humidity
76% Humid
UV
3.6 Moderate
Snow Days
1days
November
Fair
Temp
12°C / 4°C
Feels Like
9°C / 1°C
Rain
12days (102 mm) Wet
Sun
7.1h Good
Humidity
83% Humid
UV
2.4 Moderate
Snow Days
6days
December
Poor
Temp
9°C / 1°C
Feels Like
7°C / -2°C
Rain
11days (84 mm) Wet
Sun
6.6h Fair
Humidity
84% Humid
UV
1.9 Low
Snow Days
7days
Month Temp Feels Like Rain Sun Humidity UV Status Details
January 8°C / 0°C 5°C / -4°C 12days (93 mm) Wet 7h Good 81% Humid 2.1 Moderate Poor View Details
February 10°C / 1°C 7°C / -3°C 8days (72 mm) Wet 8.2h Good 79% Humid 3.2 Moderate Poor View Details
March 11°C / 2°C 9°C / -1°C 13days (100 mm) Wet 9.4h Good 78% Humid 4.1 Moderate Poor View Details
April 15°C / 5°C 13°C / 2°C 12days (90 mm) Wet 10.7h Excellent 75% Muggy 6.1 High Fair View Details
May 19°C / 8°C 18°C / 6°C 12days (80 mm) Wet 12.4h Excellent 72% Muggy 7 High Good View Details
June best 24°C / 13°C 25°C / 13°C 11days (71 mm) Wet 13.1h Excellent 67% Muggy 7.5 Very High Excellent View Details
July best 28°C / 16°C 29°C / 16°C 6days (32 mm) Good 13.4h Excellent 60% Moderate 7.7 Very High Excellent View Details
August best 28°C / 16°C 29°C / 16°C 6days (39 mm) Good 12.3h Excellent 59% Moderate 7 High Excellent View Details
September best 23°C / 12°C 22°C / 11°C 8days (63 mm) Wet 10.6h Excellent 69% Muggy 5.5 High Excellent View Details
October 18°C / 9°C 17°C / 7°C 10days (108 mm) Wet 8.5h Good 76% Humid 3.6 Moderate Good View Details
November 12°C / 4°C 9°C / 1°C 12days (102 mm) Wet 7.1h Good 83% Humid 2.4 Moderate Fair View Details
December 9°C / 1°C 7°C / -2°C 11days (84 mm) Wet 6.6h Fair 84% Humid 1.9 Low Poor View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Warm evening layerUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

May is typically good for visiting Jaca, with average highs of 19°C (66°F) and around 12 rainy days. Jaca, Spain in May has mild conditions, with highs averaging 18.9°C (66°F) and noticeably cooler mornings. Rain falls on
Jaca typically sees around 12 rainy days in May with 80 mm (3.1 in) of total rainfall. Pack a waterproof jacket.
Nights in Jaca during May are cool at around 8°C (47°F). Bring a jacket or sweater for evenings.
With highs of 19°C (66°F) and lows of 8°C (47°F) in May, we recommend: Warm evening layer, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.
May is not the most favourable month weather-wise in Jaca. Consider visiting during months with milder temperatures or less rainfall for a better experience.
The average UV index in Jaca during May is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.
Jaca gets approximately 15 hours of daylight per day in May, with around 12 hours of sunshine.
Snow is uncommon in Jaca during May based on 10-year climate averages.

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